bitcoin glossary

restored, the original leader becomes the follower, in the phase of the mismatch, any update of this old leader can not be counted as confirmation, must roll back, receive new leader new update.Four. Pow:proof of work, working proof.From the point of view of the central ledger system, each node that joins the system must keep a complete ledger, but each node cannot be accounted for at the same time, because the nodes are in different environments, receive different information, if the accountin

: Network Disk DownloadContent Introduction······This book is intended to foster the reader's understanding of Python programming in the same way that computer scientists think. The main body of the whole book is how to think, design, develop the method, and the specific programming language, but provides a specific scenario to facilitate the introduction of the medium.There are 21 chapters in this book detailing all aspects of Python language programming. This book begins with basic programming

Wallets are used on public chains such as Bitcoin/Ethereum. Wallets are primarily used to manage the user's private key, and the user's digital currency on the chain, which is the signature of the transaction with the private key. The private key can be used to generate a signature for a particular message, which can be validated using the public key without disclosing the private key. Because the private key is extremely important, once a leak means

Storing extra data Storing additional data on a block chain refers to data that exists on the block chain but has no impact on the transaction, and there are two main ways to store additional data: Op_return and Multi-signatures. Op_return A new feature was introduced in the Bitcoin protocol in 2013, which was to create a transaction called Op_return that could embed 40 bytes of data (currently 80 bytes). Initially this feature was designed to add to

Blockchain Enthusiast (qq:53016353) First, what is the core of the Shanzhai coin (bitcoin-core). The Shanzhai core (Bitcoin-core) was upgraded by an older version of the BITCOIN-QT client (version 0.9.5) , small partners can now go to: bitcoin.org, download the latest core version 0.9, after downloading the note check Sha256sums's signature Names are consistent

Blockchain Enthusiast (qq:53016353) Background: The recent rise in currency prices, the entire circle has also seen a long absence of active atmosphere. In view of the MtGox Mentougou collapse caused many people to suffer losses, here again to call on the time to withdraw the currency from the exchange to put in their own control of the address. At the same time, it is recommended that the Bitcoin friends who have just contacted

previous article, one of the little details we skipped was mining rewards. Now, we are ready to refine this detail. Mining rewards, in fact, is a coinbase transaction. When a mining node starts digging a new block, it pulls the deal out of the queue and appends a Coinbase transaction to the front. The Coinbase transaction has only one output, which contains the miner's public key hash. The rewards are very simple and can be updated send : func (cli *CLI) send(from, to string, amount int) { .

Blockchain Enthusiast (qq:53016353) As the core concept of Bitcoin, digital currency (data chunks, data blocks, data block chains) plays an important role in understanding the structure of Bitcoin. In what is data chunks, the editor simply introduces the concept of data chunks from the point of view of distributed transaction records in data chunks. Today, the editor analyzes the details of what is being re

http://www.btcside.com/new/detail/2145 This is the three words that often appear in Bitcoin, so what do they mean by each other? What kind of relationship do they have? Let's talk about a private key, such as a string 5KYZDUEO39Z3FPRTUX2QBBWGNNP5ZTD7YYR2SC1J299SBCNWJSS, which is a private key. Any application that correctly supports the Bitcoin protocol can recognize the string as a private key, convert i

This is a creation in Article, where the information may have evolved or changed. [Ethereum Smart Contract] (http://upload-images.jianshu.io/upload_images/11831773-b4c4b20efddd1e04.jpg?imageMogr2/auto-orient/strip% 7cimageview2/2/w/1240) Ethereum is a distributed computing platform. It generates an encrypted currency named ether. Programmers can write "smart contracts" on the Ethereum blockchain, and these ethereum smart contracts are executed automatically according to the code. # # # What is

This is a creation in Article, where the information may have evolved or changed. The series of articles I have put on GitHub: blockchain-tutorial, Updates will be on GitHub, and may not be synced here. If you want to run the code directly, you can clone the tutorial repository on GitHub and go to the SRC directory to execute make . Introduction Trading (transaction) is the core of bitcoin, and the only purpose of blockchain is to be able to store

June 2011, a hacker with a mouse lightly, 25000 of the network credit money into his own account, which is equivalent to 500,000 U.S. dollars. The entire deal is untraceable, although the owner of the network credit currency has posted the theft online, but it does not change the fact that the money did disappear, and the hacker became the first thief in the online credit currency. This kind of network credit currency is bitcoin (

mechanism that allows transactions to be verified in seconds, and provides better security in less time than any existing proof-of-stock system. After the time a chunk is generated in the Bitcoin network, an authorized Equity certificate system (DPOS) allows your transaction to be verified by 20% of shareholders, while the Bitcoin network declares that the transaction has been almost irreversible (6 blocks

' Blockchain enthusiasts (qq:53016353) A real blockchain is a data structure that is logically linked from the back to the block that contains the transaction information. It can be stored as flat file, which contains files with no relative relational records, or stored in a simple database. Bitcoin core clients use Google's LEVELDB database to store true blockchain metadata. Chunks are sequentially linked from the back to the chain, with each chunk p

Most people do not need to re-create a set of blockchain, but based on the existing blockchain underlying platform to develop their own applications, for similar encryption algorithms, peer-to technology, consensus algorithm and so on only need to have a basic understanding can be, temporarily do not need in-depth research. In the text, there are three main blockchain underlying platforms: Bitcoin, Ethereum, and Super Ledger fabric, as well as the app

bottom platform for your reference: First, Bitcoin The earliest blockchain development was based on the Bitcoin blockchain network, which is the world's most widely used and truly central hub, and Bitcoin is the most powerful anchor in the world for blockchain applications, with the greatest authority. As a result, there are a lot of blockchain technologies arou

bottom platform for your reference: First, Bitcoin The earliest blockchain development was based on the Bitcoin blockchain network, which is the world's most widely used and truly central hub, and Bitcoin is the most powerful anchor in the world for blockchain applications, with the greatest authority. As a result, there are a lot of blockchain technologies aro

White Paper on the certification mechanism for authorized shares (Delegated Proof-of-stake, DPOS) Author: Daniel Larimer April 3, 2014 translation: Yidaidaxia_ ShaoxiBit Square Digital Asset Research Club translation works (Www.bitfarm.io)More translation version address: https://bitsharestalk.org/index.php?topic=4031.msg50570#msg50570Summary This white paper introduces a new way to implement a proof-of-equity mechanism that allows transactions to be verified in seconds, and provides better se

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(delegated) scattered around the world, even if some of them are attacked and do not cause the entire system to go down.There are 27 servers in the whole network online, because the Dpos consensus algorithm provides a good performance of the transaction throughput, theoretically the TPS of the bit shares can reach 100,000, which is the most distinguishing feature of the bit shares in the technical difference from other blockchain. The better TPS is also for its functional service.Here, we can s